B331133131323131133132233133313231323132333133313111333131133132313222311
>>
B33113313132313113313223313331323132313233313331311133313113313231322231
<<
B331133131323131133132233133313231323132333133313111333131133132313222313
>>
B331133131323131133132233133313231323132333133313111333131133132313222312
>>